Path: csiph.com!fu-berlin.de!uni-berlin.de!not-for-mail From: Erik Newsgroups: comp.lang.python Subject: Re: I'm missing something here... Date: Tue, 12 Jan 2016 08:24:45 +0000 Lines: 15 Message-ID: References: <569440EB.4090204@lucidity.plus.com> <20160112071322.GA12153@cskk.homeip.net> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Trace: news.uni-berlin.de gZiIrUIkyzLLjK7144qgdAvKHviG2nLhjdlhLJduprzA== Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.002 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'executed': 0.07; 'subject:missing': 0.07; 'cc:addr:python-list': 0.09; 'complaining': 0.09; 'bug': 0.10; 'cc:name:python': 0.16; 'compilers': 0.16; 'erik': 0.16; 'from:addr:python': 0.16; "he'd": 0.16; 'reason.': 0.16; 'received:84.93': 0.16; 'received:84.93.230': 0.16; 'received:io': 0.16; 'received:psf.io': 0.16; 'simpson': 0.16; 'wrote:': 0.16; 'skip': 0.18; 'cc:addr:python.org': 0.20; 'cc:2**1': 0.22; 'cc:addr:gmail.com': 0.24; 'header:In-Reply-To:1': 0.24; 'header :User-Agent:1': 0.26; 'possibility': 0.27; 'complain': 0.29; 'sure,': 0.29; 'received:84': 0.32; 'raising': 0.33; 'that,': 0.34; 'could': 0.35; 'but': 0.36; 'should': 0.36; 'subject:: ': 0.37; 'times.': 0.38; 'received:192': 0.39; 'some': 0.40; 'body': 0.61; 'charset:windows-1252': 0.62; 'times': 0.63; 'cameron': 0.66; "'for'": 0.84 X-CM-Score: 0.00 X-CNFS-Analysis: v=2.1 cv=Iat6Ijea c=1 sm=1 tr=0 a=Ypmeq7T0cKALDUsRPCToMg==:117 a=Ypmeq7T0cKALDUsRPCToMg==:17 a=0Bzu9jTXAAAA:8 a=L9H7d07YOLsA:10 a=9cW_t1CCXrUA:10 a=s5jvgZ67dGcA:10 a=EBOSESyhAAAA:8 a=N659UExz7-8A:10 a=MgErg5WLm3-gBcqGLfMA:9 a=pILNOxqGKmIA:10 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 In-Reply-To: <20160112071322.GA12153@cskk.homeip.net> X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.20+ Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Xref: csiph.com comp.lang.python:101527 On 12/01/16 07:13, Cameron Simpson wrote: > On 11Jan2016 23:55, Erik wrote: >> Is it complaining about that, or is it because the 'for' loop body >> might be executed zero times? > > The former. Almost any loop _might_ be executed zero times. Compilers > and linters etc should only complain if they can prove the loop is > always executed zero times. Sure, but Skip was thinking he'd found a bug - I was just raising the possibility that the bug could have been that the loop was (incorrectly) determined to be executed zero times for some reason. E.